dilations

Front

What does the scale factor do in a dilation?

Back

Tells you how much the image grows or shrinks.

Tags

CCSS.8.G.A.3

Front

Dilation changes a shape's __________?

Back

Size.

Tags

CCSS.8.G.A.3

Front

If a dilation has the rule (x,y)→(2.5x,2.5y), what is the scale factor?

Back

2.5.

Tags

CCSS.8.G.A.3

Front

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image for A(3,3)?

Back

A'(9,9).

Tags

CCSS.8.G.A.3

Front

What are the coordinates of A' after a dilation by a scale factor of 2.5 for triangle ABC with vertex A (-2, 2)?

Back

(-5, 5).

Tags

CCSS.8.G.A.3

Front

What is the center of dilation?

Back

The fixed point in a dilation from which the shape is enlarged or reduced.

Tags

CCSS.8.G.A.3

Front

What happens to the angles of a shape during dilation?

Back

The angles remain the same.

Tags

CCSS.8.G.A.3

Front

What is the effect of a scale factor less than 1 in a dilation?

Back

The image shrinks.

Tags

CCSS.8.G.A.3

Front

What is the effect of a scale factor greater than 1 in a dilation?

Back

The image grows.

Tags

CCSS.8.G.A.3

Front

If a shape is dilated by a scale factor of 1, what happens to the shape?

Back

The shape remains unchanged.

Tags

CCSS.8.G.A.3